EP 0087698 B1 19850508 - METHOD FOR SEPARATING UNREACTED MATERIAL FROM CRUDE SILICON CARBIDE
Title (en)
METHOD FOR SEPARATING UNREACTED MATERIAL FROM CRUDE SILICON CARBIDE
Publication
Application
Priority
US 35244082 A 19820225
Abstract (en)
[origin: CA1195307A] A process for purifying crude silicon carbide lumps from an Acheson furnace comprising agitating the lumps in a drum having a cylindrical wall, its axis substantially horizontal and having openings of controlled size, smaller than said crude lumps, in said cylindrical wall, separating the particles passing through said controlled size openings according to size and recirculating oversize particles back to said rotating drum and finally recovering product returned in said drum.
IPC 1-7
IPC 8 full level
B02C 23/14 (2006.01); B03B 9/04 (2006.01); B07B 1/18 (2006.01); B07B 9/00 (2006.01); B07B 15/00 (2006.01); C01B 31/36 (2006.01)
CPC (source: EP US)
B03B 9/04 (2013.01 - EP US); B07B 1/18 (2013.01 - EP US); B07B 9/00 (2013.01 - EP US); C01B 32/97 (2017.07 - EP US)
Designated contracting state (EPC)
AT CH DE FR IT LI
DOCDB simple family (publication)
EP 0087698 A1 19830907; EP 0087698 B1 19850508; AT E13171 T1 19850515; AU 1113083 A 19830901; AU 554031 B2 19860807; BR 8300811 A 19831116; CA 1195307 A 19851015; DE 3360168 D1 19850613; IN 157928 B 19860726; JP H0351650 B2 19910807; JP S58151317 A 19830908; NO 168575 B 19911202; NO 168575 C 19920311; NO 830538 L 19830826; US 4728043 A 19880301; ZA 83755 B 19840328
DOCDB simple family (application)
EP 83101579 A 19830218; AT 83101579 T 19830218; AU 1113083 A 19830204; BR 8300811 A 19830218; CA 420650 A 19830201; DE 3360168 T 19830218; IN 119CA1983 A 19830201; JP 2391083 A 19830217; NO 830538 A 19830217; US 35244082 A 19820225; ZA 83755 A 19830204